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lavf: rename ff_probe_input_buffer to make it public

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It is useful for applications that hand input data directly to lavf via
a ByteIOContext.

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
This commit is contained in:
Anssi Hannula 2011-02-08 00:46:53 +02:00 committed by Ronald S. Bultje
parent aad216fd7e
commit 3940caad02
5 changed files with 26 additions and 22 deletions
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4
doc/APIchanges
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@ -13,6 +13,10 @@ libavutil: 2009-03-08
API changes, most recent first:
2011-02-08 - xxxxxxx - lavf 52.98.0 - av_probe_input_buffer
Add av_probe_input_buffer() to avformat.h for probing format from a
ByteIOContext.
2011-02-06 - fe174fc - lavf 52.97.0 - avio.h
Add flag for non-blocking protocols: URL_FLAG_NONBLOCK

19
libavformat/avformat.h
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@ -1038,6 +1038,25 @@ AVInputFormat *av_probe_input_format(AVProbeData *pd, int is_opened);
*/
AVInputFormat *av_probe_input_format2(AVProbeData *pd, int is_opened, int *score_max);
/**
* Probe a bytestream to determine the input format. Each time a probe returns
* with a score that is too low, the probe buffer size is increased and another
* attempt is made. When the maximum probe size is reached, the input format
* with the highest score is returned.
*
* @param pb the bytestream to probe
* @param fmt the input format is put here
* @param filename the filename of the stream
* @param logctx the log context
* @param offset the offset within the bytestream to probe from
* @param max_probe_size the maximum probe buffer size (zero for default)
* @return 0 in case of success, a negative value corresponding to an
* AVERROR code otherwise
*/
int av_probe_input_buffer(ByteIOContext *pb, AVInputFormat **fmt,
const char *filename, void *logctx,
unsigned int offset, unsigned int max_probe_size);
/**
* Allocate all the structures needed to read an input stream.
* This does not open the needed codecs for decoding the stream[s].

19
libavformat/internal.h
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@ -82,25 +82,6 @@ void ff_read_frame_flush(AVFormatContext *s);
/** Get the current time since NTP epoch in microseconds. */
uint64_t ff_ntp_time(void);
/**
* Probe a bytestream to determine the input format. Each time a probe returns
* with a score that is too low, the probe buffer size is increased and another
* attempt is made. When the maximum probe size is reached, the input format
* with the highest score is returned.
*
* @param pb the bytestream to probe
* @param fmt the input format is put here
* @param filename the filename of the stream
* @param logctx the log context
* @param offset the offset within the bytestream to probe from
* @param max_probe_size the maximum probe buffer size (zero for default)
* @return 0 in case of success, a negative value corresponding to an
* AVERROR code otherwise
*/
int ff_probe_input_buffer(ByteIOContext *pb, AVInputFormat **fmt,
const char *filename, void *logctx,
unsigned int offset, unsigned int max_probe_size);
#if FF_API_URL_SPLIT
/**
* @deprecated use av_url_split() instead

4
libavformat/utils.c
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@ -524,7 +524,7 @@ int av_open_input_stream(AVFormatContext **ic_ptr,
#define PROBE_BUF_MIN 2048
#define PROBE_BUF_MAX (1<<20)
int ff_probe_input_buffer(ByteIOContext *pb, AVInputFormat **fmt,
int av_probe_input_buffer(ByteIOContext *pb, AVInputFormat **fmt,
const char *filename, void *logctx,
unsigned int offset, unsigned int max_probe_size)
{
@ -622,7 +622,7 @@ int av_open_input_file(AVFormatContext **ic_ptr, const char *filename,
if (buf_size > 0) {
url_setbufsize(pb, buf_size);
}
if (!fmt && (err = ff_probe_input_buffer(pb, &fmt, filename, logctx, 0, logctx ? (*ic_ptr)->probesize : 0)) < 0) {
if (!fmt && (err = av_probe_input_buffer(pb, &fmt, filename, logctx, 0, logctx ? (*ic_ptr)->probesize : 0)) < 0) {
goto fail;
}
}

2
libavformat/version.h
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@ -24,7 +24,7 @@
#include "libavutil/avutil.h"
#define LIBAVFORMAT_VERSION_MAJOR 52
#define LIBAVFORMAT_VERSION_MINOR 97
#define LIBAVFORMAT_VERSION_MINOR 98
#define LIBAVFORMAT_VERSION_MICRO 0
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \